67647065982 has 8 divisors (see below), whose sum is σ = 135294131976. Its totient is φ = 22549021992.

The previous prime is 67647065971. The next prime is 67647065987. The reversal of 67647065982 is 28956074676.

It is a sphenic number, since it is the product of 3 distinct primes.

67647065982 is an admirable number.

It is a super-2 number, since 2×67647065982² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67647065987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5637255493 + ... + 5637255504.

It is an arithmetic number, because the mean of its divisors is an integer number (16911766497).

Almost surely, 2^67647065982 is an apocalyptic number.

67647065982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67647065982 is a wasteful number, since it uses less digits than its factorization.

67647065982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11274511002.

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 67647065982 in words is "sixty-seven billion, six hundred forty-seven million, sixty-five thousand, nine hundred eighty-two".